Remove some naked |new| statements in favor of MakeUnique.

net/http/bidirectional_stream.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/http/bidirectional_stream.h"
 
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 21 matching lines @@
 #include "net/ssl/ssl_config.h"
 #include "url/gurl.h"
 
 namespace net {
 
 namespace {
 
 std::unique_ptr<base::Value> NetLogHeadersCallback(
     const SpdyHeaderBlock* headers,
     NetLogCaptureMode capture_mode) {
-  std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
+  auto dict = base::MakeUnique<base::DictionaryValue>();
   dict->Set("headers", ElideSpdyHeaderBlockForNetLog(*headers, capture_mode));
   return std::move(dict);
 }
 
 std::unique_ptr<base::Value> NetLogCallback(const GURL* url,
                                             const std::string* method,
                                             const HttpRequestHeaders* headers,
                                             NetLogCaptureMode capture_mode) {
-  std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
+  auto dict = base::MakeUnique<base::DictionaryValue>();
   dict->SetString("url", url->possibly_invalid_spec());
   dict->SetString("method", *method);
   std::string empty;
   std::unique_ptr<base::Value> headers_param(
       headers->NetLogCallback(&empty, capture_mode));
   dict->Set("headers", std::move(headers_param));
   return std::move(dict);
 }
 
 }  // namespace
@@ skipping 380 matching lines @@
         "Net.BidirectionalStream.TimeToSendEnd.QUIC",
         load_timing_info_.send_end - load_timing_info_.request_start);
     UMA_HISTOGRAM_COUNTS("Net.BidirectionalStream.ReceivedBytes.QUIC",
                          stream_impl_->GetTotalReceivedBytes());
     UMA_HISTOGRAM_COUNTS("Net.BidirectionalStream.SentBytes.QUIC",
                          stream_impl_->GetTotalSentBytes());
   }
 }
 
 }  // namespace net